Its feet are born in the lowermost part of the body, so it is in an upright position; there are squats between the toes; squats (other birds with toes on the ground); forelimbs are fin-shaped; feathers are short to reduce friction and turbulence; Air for insulation. The back is black and the abdomen is white. The main difference between the various species is the head color and individual size. On the land, it is like a western gentleman wearing a tuxedo, walking up the road, shaking it, encountering danger, falling and climbing, and being embarrassed. But in the water, the short wings of the penguin became a powerful “paddle” with a speed of 25-30 kilometers per hour.